Title:
Influence of crystallographic orientation in normal and sliding contacts

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dc.contributor.advisor Neu, Richard W.
dc.contributor.author Dawkins, Jeremy James en_US
dc.contributor.committeeMember Green, Itzhak
dc.contributor.committeeMember Jeffrey Streator
dc.contributor.department Mechanical Engineering en_US
dc.date.accessioned 2008-09-17T19:31:34Z
dc.date.available 2008-09-17T19:31:34Z
dc.date.issued 2008-05-19 en_US
dc.description.abstract The aim of this study is to evaluate a methodology for modeling the influence of crystallographic grain orientation on key parameters in normal and sliding contacts. The simulations of interfering cylindrical asperities, using finite element analysis, were conducted using two different plasticity models for copper: a conventional isotropic, homogeneous J2 plasticity model and a continuum crystal plasticity model. A normal contact study was conducted in which crystallographic orientation effects on different parameters were investigated. The model was then adapted for sliding contacts, which allowed other parameters such as energy dissipation to be investigated. Using crystal plasticity, the dependence of crystallographic orientation on plastic deformation and energy dissipation can be determined. The relative trends predicted using crystal plasticity are consistent with experiments that show friction depends on crystallographic orientation when plastic deformation is one of the primary energy dissipation mechanisms. en_US
dc.description.degree M.S. en_US
dc.identifier.uri http://hdl.handle.net/1853/24713
dc.publisher Georgia Institute of Technology en_US
dc.subject Normal contact en_US
dc.subject Sliding contact en_US
dc.subject Crystallographic orientation en_US
dc.subject Finite element en_US
dc.subject.lcsh Residual stresses
dc.subject.lcsh Finite element method
dc.subject.lcsh Sliding friction
dc.subject.lcsh Contact mechanics
dc.subject.lcsh Rolling contact
dc.subject.lcsh Friction
dc.title Influence of crystallographic orientation in normal and sliding contacts en_US
dc.type Text
dc.type.genre Thesis
dspace.entity.type Publication
local.contributor.advisor Neu, Richard W.
local.contributor.corporatename George W. Woodruff School of Mechanical Engineering
local.contributor.corporatename College of Engineering
relation.isAdvisorOfPublication 06a1818c-da22-4133-bde7-ad5adc26dab7
relation.isOrgUnitOfPublication c01ff908-c25f-439b-bf10-a074ed886bb7
relation.isOrgUnitOfPublication 7c022d60-21d5-497c-b552-95e489a06569
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